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• ffmpeg `-movflags use_metadata_tags` won't copy album cover metadata

  20 mai 2023, par Ali Ent

  I want to edit a mp3 file using ffmpeg while keeping the metadata. I've searched how to keep the metadata and found this link. It is said to use -movflags use_metadata_tags.

  


  ffmpeg -i input.mp3 -movflags use_metadata_tags -af "volume=0:enable='between(t,0,0.2)'" out.mp3


  


  It copies every metadata except album cover.

  


  I found another link. It is said to use -c:v copy for album cover. I tried :

  


  ffmpeg -i input.mp3 -movflags use_metadata_tags -c:v copy -af "volume=0:enable='between(t,0,0.2)'" out.mp3


  


  But it didn't work.

  


  I even tried this link. It is about how to copy metadata from one file to another. and it didn't work too.

  


  How should I keep the album cover ?

  


• 100 buffers queued in output stream 0:1, something may be wrong

  2 juillet 2014, par jolt

  I’m working with ffmpeg here and when transcoding input to an RTMP output, I recieve an error saying : "100 buffers queued in output stream 0:1, something may be wrong."

  The process itself seems to be stuttering and is becoming more unresponsive over time.

  This is the script, that I’m using to start the process :

  #!/bin/bash
  
  ffmpeg -f mxg \
  
      -vsync 0 -i "http://admin:meinsm@192.168.1.161:80/control/faststream.jpg?stream=MxPEG&fps=24.0&needlength&iframerefresh=12" \
  
      -strict -2 -c:v libx264 -s 1024x768 -g 12 -b:v 512k -c:a aac -b:a 128k -ar 44100 -ac 1 \
  
      -metadata streamName=large -f flv tcp://gitlab.somese.lv:6667

  It takes input from Mobotix IP camera and attempts to transcode it into a h264/aac video and sends over to crmtpserver.

  Also, there is a noticable fps drop.

  Here is the log : http://pastebin.com/ngxmUm9Y

  I have been trying to add -re for input, also -r 24 for both the input and output (as per this post), but nothing seems to help.

  I have a lower quality transcoder too, that works for a lot longer, but still it has fps drops and eventually displays the "100 buffers" warning and becoming slower and slower.

  With "slower", "stuttering", "becoming unresponsive" I mean that I cannot even q (as per quit) the ffmpeg process (well, it takes abnoramly long time), neither the first Ctrl+C works - can kill the process by spamming Ctrl+C - with 3rd or 4th it works.

  How can I resolve this ?

• About Soundcloud scraping for uploading music to telegram group

  16 juin 2021, par so sa

  I am trying to automatically download the new uploaded file from the below soundcloud link and upload it to a telegram group :

  


  https://soundcloud.com/radio-hamrah-1

  


  so I have googled the :

  


  


  python script to download from soundcloud and import to telegram
group

  


  


  and tried the scdl python module by its instruction, but when I have tried its on this colab page I get this error :

  


  !pip3 install git+https://github.com/flyingrub/scdl
!scdl -l https://soundcloud.com/pandadub/sets/the-lost-ship --download-archive archive.txt -c

Collecting git+https://github.com/flyingrub/scdl
  Cloning https://github.com/flyingrub/scdl to /tmp/pip-req-build-0g64ql2f
  Running command git clone -q https://github.com/flyingrub/scdl /tmp/pip-req-build-0g64ql2f
Requirement already satisfied (use --upgrade to upgrade): scdl==1.6.12 from git+https://github.com/flyingrub/scdl in /usr/local/lib/python3.7/dist-packages
Requirement already satisfied: docopt in /usr/local/lib/python3.7/dist-packages (from scdl==1.6.12) (0.6.2)
Requirement already satisfied: mutagen in /usr/local/lib/python3.7/dist-packages (from scdl==1.6.12) (1.45.1)
Requirement already satisfied: termcolor in /usr/local/lib/python3.7/dist-packages (from scdl==1.6.12) (1.1.0)
Requirement already satisfied: requests in /usr/local/lib/python3.7/dist-packages (from scdl==1.6.12) (2.23.0)
Requirement already satisfied: clint in /usr/local/lib/python3.7/dist-packages (from scdl==1.6.12) (0.5.1)
Requirement already satisfied: chardet<4,>=3.0.2 in /usr/local/lib/python3.7/dist-packages (from requests->scdl==1.6.12) (3.0.4)
Requirement already satisfied: urllib3!=1.25.0,!=1.25.1,<1.26,>=1.21.1 in /usr/local/lib/python3.7/dist-packages (from requests->scdl==1.6.12) (1.24.3)
Requirement already satisfied: idna<3,>=2.5 in /usr/local/lib/python3.7/dist-packages (from requests->scdl==1.6.12) (2.10)
Requirement already satisfied: certifi>=2017.4.17 in /usr/local/lib/python3.7/dist-packages (from requests->scdl==1.6.12) (2021.5.30)
Requirement already satisfied: args in /usr/local/lib/python3.7/dist-packages (from clint->scdl==1.6.12) (0.1.0)
Building wheels for collected packages: scdl
  Building wheel for scdl (setup.py) ... done
  Created wheel for scdl: filename=scdl-1.6.12-cp37-none-any.whl size=19143 sha256=27ca560a7f3947830289d0df167db84137d1554fe1ab740c2afab3db0abedd74
  Stored in directory: /tmp/pip-ephem-wheel-cache-agspvyq5/wheels/49/44/6e/a5f6f709e7b231f3639ea9f9fc48a4699b958850715556e7f6
Successfully built scdl
Soundcloud Downloader
Failed to get item...


  


  

  


  and when I try by the Docker VPS by this commands :

  


  pip3 install git+https://github.com/flyingrub/scdl
pip3 install ffmpeg
scdl -l https://soundcloud.com/pandadub/sets/the-lost-ship --download-archive archive.txt -c


  


  pip3 install git+https://github.com/flyingrub/scdl pip3 install ffmpeg
scdl -l https://soundcloud.com/pandadub/sets/the-lost-ship —download-archive archive.txt -c

  


  I get this error :

  


  FileNotFoundError: [Errno 2] No such file or directory: 'ffmpeg'


  


  

  


  So I asked abut how could i do it by scdl and soundcloude python module.

  


  Update :

  


  Based of my two comment on this question I get different result by using the scdl python module via the above colab page, sometimes it is working and sometimes not, which i guess it is because of soudncloud server setting for preventing huge scraping and needs some delay during the music scraping form the soundcloud.

  


  Thanks.